6Ω o a 4 A

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter6: Power Flows
Section: Chapter Questions
Problem 6.66P
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Question

Find the equivalent resistance of the circuit

6Ω
o a
4 A
6Ω
4Ω
Transcribed Image Text:6Ω o a 4 A 6Ω 4Ω
Expert Solution
Step 1

Solution:

The equivalent resistance is the Thevenin resistance seen from Terminal 'ab'

To calculate Thevenin resistance current source is open-circuited,

Therefore circuit becomes as follows:

Electrical Engineering homework question answer, step 1, image 1

Step 2

From the circuit,

RTh=6+64RTh=124RTh=12×412+4=4816RTh=3 Ω

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